Home / 3,715.29-5,575.74-1,376.72

Finding the Fourth Proportional to 3,715.29, 5,575.74 and 1,376.72

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Solution

The fourth proportional to 3,715.29, 5,575.74 and 1,376.72 is: 2,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.29 : 5,575.74 = 1,376.72 : x
  2. Step 2: Convert to fraction form
    3,715.29/5,575.74 = 1,376.72/x
  3. Step 3: Cross multiply
    3,715.29x = 5,575.74 × 1,376.72
  4. Step 4: Simplify right side
    3,715.29x = 7,676,204.89
  5. Step 5: Solve for x
    x = 7,676,204.89/3,715.29
  6. Step 6: Final answer
    x = 2,066.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.